The four September releases are:
- Excalibur #12, written by Tini Howard with art by Marcus To and cover by Mahmud Asrar
- X-Men #12, written by Jonathan Hickman with art and cover by Leinil Francis Yu
- X of Swords: Creation #1, written by Jonathan Hickman with art by Pepe Larraz and cover by Larraz and Mark Brooks
- X-Factor #4, written by Leah Williams with art by Carlos Gomez and cover by Ivan Shavrin
Excalibur and X-Men are the prelude issues; X of Swords: Creation and X-Factor are the first two chapters.
The first glimpse of X of Swords will actually be in the free comic originally planned as this year’s Free Comic Book Day release, now planned for distribution in July. Free Comic Book Day 2020: X-Men #1 features a story written by Jonathan Hickman with art by Pepe Larraz leading into the X of Swords crossover (see "Marvel to Releases its FCBD Comics in July").
Click Gallery below for all four covers and the checklist!